To provide sleep device for lying face down, which can be stably used for many hours during a sleep.

The sleeping device is used by being longitudinally spread over on a foundation floor and includes a pillow portion located in the front and to put parts of the head portion and the face portion of a person and having a cushioning functionality, and a body portion made up of a plurality of cylindrical bodies which are installed in parallel with each other and closely in the part from the face portion to the crotch portion of the person, bundled and having a cushioning functionality and is made by connecting the front end of the body and the pillow portion. The upper end positions of inside cylindrical bodies can be made slightly lower toward the crotch than outside cylindrical bodies from among the cylindrical bodies. The sleeping equipment has an auxiliary pillow provided in parallel with the pillow portion, and an auxiliary cylindrical body extending from the auxiliary pillow and positioned in the body portion in parallel with a prescribed clearance.